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<title>GstH264Parser: GStreamer Bad Plugins 1.0 Library Reference Manual</title>
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                  <a href="#gst-plugins-bad-libs-h264parser.description" class="shortcut">Description</a></span>
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<a name="gst-plugins-bad-libs-h264parser"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-bad-libs-h264parser.top_of_page"></a>GstH264Parser</span></h2>
<p>GstH264Parser — Convenience library for h264 video
bitstream parsing.</p>
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</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-h264parser.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-IS-P-SLICE:CAPS" title="GST_H264_IS_P_SLICE()">GST_H264_IS_P_SLICE</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-IS-B-SLICE:CAPS" title="GST_H264_IS_B_SLICE()">GST_H264_IS_B_SLICE</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-IS-I-SLICE:CAPS" title="GST_H264_IS_I_SLICE()">GST_H264_IS_I_SLICE</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-IS-SP-SLICE:CAPS" title="GST_H264_IS_SP_SLICE()">GST_H264_IS_SP_SLICE</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-IS-SI-SLICE:CAPS" title="GST_H264_IS_SI_SLICE()">GST_H264_IS_SI_SLICE</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="returnvalue">GstH264ParserResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-parser-identify-nalu" title="gst_h264_parser_identify_nalu ()">gst_h264_parser_identify_nalu</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="returnvalue">GstH264ParserResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-parser-identify-nalu-avc" title="gst_h264_parser_identify_nalu_avc ()">gst_h264_parser_identify_nalu_avc</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="returnvalue">GstH264ParserResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-parser-parse-nal" title="gst_h264_parser_parse_nal ()">gst_h264_parser_parse_nal</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="returnvalue">GstH264ParserResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-parser-parse-slice-hdr" title="gst_h264_parser_parse_slice_hdr ()">gst_h264_parser_parse_slice_hdr</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="returnvalue">GstH264ParserResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-parser-parse-sps" title="gst_h264_parser_parse_sps ()">gst_h264_parser_parse_sps</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="returnvalue">GstH264ParserResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-parser-parse-pps" title="gst_h264_parser_parse_pps ()">gst_h264_parser_parse_pps</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="returnvalue">GstH264ParserResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-parser-parse-sei" title="gst_h264_parser_parse_sei ()">gst_h264_parser_parse_sei</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="returnvalue">GstH264NalParser</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-nal-parser-new" title="gst_h264_nal_parser_new ()">gst_h264_nal_parser_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-nal-parser-free" title="gst_h264_nal_parser_free ()">gst_h264_nal_parser_free</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="returnvalue">GstH264ParserResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-parse-sps" title="gst_h264_parse_sps ()">gst_h264_parse_sps</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="returnvalue">GstH264ParserResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-parse-pps" title="gst_h264_parse_pps ()">gst_h264_parse_pps</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-pps-clear" title="gst_h264_pps_clear ()">gst_h264_pps_clear</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-quant-matrix-8x8-get-zigzag-from-raster" title="gst_h264_quant_matrix_8x8_get_zigzag_from_raster ()">gst_h264_quant_matrix_8x8_get_zigzag_from_raster</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-quant-matrix-8x8-get-raster-from-zigzag" title="gst_h264_quant_matrix_8x8_get_raster_from_zigzag ()">gst_h264_quant_matrix_8x8_get_raster_from_zigzag</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-quant-matrix-4x4-get-zigzag-from-raster" title="gst_h264_quant_matrix_4x4_get_zigzag_from_raster ()">gst_h264_quant_matrix_4x4_get_zigzag_from_raster</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-quant-matrix-4x4-get-raster-from-zigzag" title="gst_h264_quant_matrix_4x4_get_raster_from_zigzag ()">gst_h264_quant_matrix_4x4_get_raster_from_zigzag</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-video-calculate-framerate" title="gst_h264_video_calculate_framerate ()">gst_h264_video_calculate_framerate</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-h264parser.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-MAX-SPS-COUNT:CAPS" title="GST_H264_MAX_SPS_COUNT">GST_H264_MAX_SPS_COUNT</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-MAX-PPS-COUNT:CAPS" title="GST_H264_MAX_PPS_COUNT">GST_H264_MAX_PPS_COUNT</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnitType" title="enum GstH264NalUnitType">GstH264NalUnitType</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult">GstH264ParserResult</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264SEIPayloadType" title="enum GstH264SEIPayloadType">GstH264SEIPayloadType</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264SEIPicStructType" title="enum GstH264SEIPicStructType">GstH264SEIPicStructType</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264SliceType" title="enum GstH264SliceType">GstH264SliceType</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser">GstH264NalParser</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit">GstH264NalUnit</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264SPS" title="struct GstH264SPS">GstH264SPS</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264PPS" title="struct GstH264PPS">GstH264PPS</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264HRDParams" title="struct GstH264HRDParams">GstH264HRDParams</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264VUIParams" title="struct GstH264VUIParams">GstH264VUIParams</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264DecRefPicMarking" title="struct GstH264DecRefPicMarking">GstH264DecRefPicMarking</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264RefPicMarking" title="struct GstH264RefPicMarking">GstH264RefPicMarking</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264PredWeightTable" title="struct GstH264PredWeightTable">GstH264PredWeightTable</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264SliceHdr" title="struct GstH264SliceHdr">GstH264SliceHdr</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ClockTimestamp" title="struct GstH264ClockTimestamp">GstH264ClockTimestamp</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264PicTiming" title="struct GstH264PicTiming">GstH264PicTiming</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264BufferingPeriod" title="struct GstH264BufferingPeriod">GstH264BufferingPeriod</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264SEIMessage" title="struct GstH264SEIMessage">GstH264SEIMessage</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-h264parser.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;gst/codecparsers/gsth264parser.h&gt;
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-h264parser.description"></a><h2>Description</h2>
<p>It offers bitstream parsing in both AVC (length-prefixed) and Annex B
(0x000001 start code prefix) format. To identify a NAL unit in a bitstream
and parse its headers, first call:</p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem"><p><a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-parser-identify-nalu" title="gst_h264_parser_identify_nalu ()"><span class="type">gst_h264_parser_identify_nalu</span></a> to identify a NAL unit in an Annex B type bitstream</p></li>
<li class="listitem"><p><a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-parser-identify-nalu-avc" title="gst_h264_parser_identify_nalu_avc ()"><span class="type">gst_h264_parser_identify_nalu_avc</span></a> to identify a NAL unit in an AVC type bitstream</p></li>
</ul></div>
<p>The following functions are then available for parsing the structure of the
<a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a>, depending on the <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnitType" title="enum GstH264NalUnitType"><span class="type">GstH264NalUnitType</span></a>:</p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem"><p>From <a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-NAL-SLICE:CAPS"><span class="type">GST_H264_NAL_SLICE</span></a> to <a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-NAL-SLICE-IDR:CAPS"><span class="type">GST_H264_NAL_SLICE_IDR</span></a>: <a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-parser-parse-slice-hdr" title="gst_h264_parser_parse_slice_hdr ()"><span class="type">gst_h264_parser_parse_slice_hdr</span></a></p></li>
<li class="listitem"><p><a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-NAL-SEI:CAPS"><span class="type">GST_H264_NAL_SEI</span></a>: <a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-parser-parse-sei" title="gst_h264_parser_parse_sei ()"><span class="type">gst_h264_parser_parse_sei</span></a></p></li>
<li class="listitem"><p><a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-NAL-SPS:CAPS"><span class="type">GST_H264_NAL_SPS</span></a>: <a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-parser-parse-sps" title="gst_h264_parser_parse_sps ()"><span class="type">gst_h264_parser_parse_sps</span></a></p></li>
<li class="listitem"><p><a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-NAL-PPS:CAPS"><span class="type">GST_H264_NAL_PPS</span></a>: <a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-parser-parse-pps" title="gst_h264_parser_parse_pps ()"><span class="type">gst_h264_parser_parse_pps</span></a></p></li>
<li class="listitem"><p>Any other: <a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-parser-parse-nal" title="gst_h264_parser_parse_nal ()"><span class="type">gst_h264_parser_parse_nal</span></a></p></li>
</ul></div>
<p>One of these functions *must* be called on every NAL unit in the bitstream,
in order to keep the internal structures of the <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a> up to
date. It is legal to call <a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-parser-parse-nal" title="gst_h264_parser_parse_nal ()"><span class="type">gst_h264_parser_parse_nal</span></a> on NAL units of any
type, if no special parsing of the current NAL unit is required by the
application.</p>
<p>For more details about the structures, look at the ITU-T H.264 and ISO/IEC 14496-10 â€“ MPEG-4
Part 10 specifications, available at:</p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem"><p>ITU-T H.264: http://www.itu.int/rec/T-REC-H.264</p></li>
<li class="listitem"><p>ISO/IEC 14496-10: http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=56538</p></li>
</ul></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-h264parser.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="GST-H264-IS-P-SLICE:CAPS"></a><h3>GST_H264_IS_P_SLICE()</h3>
<pre class="programlisting">#define GST_H264_IS_P_SLICE(slice)  (((slice)-&gt;type % 5) == GST_H264_P_SLICE)
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-H264-IS-B-SLICE:CAPS"></a><h3>GST_H264_IS_B_SLICE()</h3>
<pre class="programlisting">#define GST_H264_IS_B_SLICE(slice)  (((slice)-&gt;type % 5) == GST_H264_B_SLICE)
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-H264-IS-I-SLICE:CAPS"></a><h3>GST_H264_IS_I_SLICE()</h3>
<pre class="programlisting">#define GST_H264_IS_I_SLICE(slice)  (((slice)-&gt;type % 5) == GST_H264_I_SLICE)
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-H264-IS-SP-SLICE:CAPS"></a><h3>GST_H264_IS_SP_SLICE()</h3>
<pre class="programlisting">#define GST_H264_IS_SP_SLICE(slice) (((slice)-&gt;type % 5) == GST_H264_SP_SLICE)
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-H264-IS-SI-SLICE:CAPS"></a><h3>GST_H264_IS_SI_SLICE()</h3>
<pre class="programlisting">#define GST_H264_IS_SI_SLICE(slice) (((slice)-&gt;type % 5) == GST_H264_SI_SLICE)
</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-h264-parser-identify-nalu"></a><h3>gst_h264_parser_identify_nalu ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="returnvalue">GstH264ParserResult</span></a>
gst_h264_parser_identify_nalu (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a> *nalparser</code></em>,
                               <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *data</code></em>,
                               <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>,
                               <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gsize"><span class="type">gsize</span></a> size</code></em>,
                               <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a> *nalu</code></em>);</pre>
<p>Parses the headers of an Annex B coded NAL unit from <em class="parameter"><code>data</code></em>
 and puts the
result into <em class="parameter"><code>nalu</code></em>
.</p>
<div class="refsect3">
<a name="gst-h264-parser-identify-nalu.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>nalparser</p></td>
<td class="parameter_description"><p>a <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>The data to parse, containing an Annex B coded NAL unit</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>offset</p></td>
<td class="parameter_description"><p>the offset in <em class="parameter"><code>data</code></em>
from which to parse the NAL unit</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>size</p></td>
<td class="parameter_description"><p>the size of <em class="parameter"><code>data</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nalu</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a> to store the identified NAL unit in</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-h264-parser-identify-nalu.returns"></a><h4>Returns</h4>
<p> a <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="type">GstH264ParserResult</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-h264-parser-identify-nalu-avc"></a><h3>gst_h264_parser_identify_nalu_avc ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="returnvalue">GstH264ParserResult</span></a>
gst_h264_parser_identify_nalu_avc (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a> *nalparser</code></em>,
                                   <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *data</code></em>,
                                   <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>,
                                   <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gsize"><span class="type">gsize</span></a> size</code></em>,
                                   <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> nal_length_size</code></em>,
                                   <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a> *nalu</code></em>);</pre>
<p>Parses the headers of an AVC coded NAL unit from <em class="parameter"><code>data</code></em>
 and puts the result
into <em class="parameter"><code>nalu</code></em>
.</p>
<div class="refsect3">
<a name="gst-h264-parser-identify-nalu-avc.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>nalparser</p></td>
<td class="parameter_description"><p>a <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>The data to parse, containing an AVC coded NAL unit</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>offset</p></td>
<td class="parameter_description"><p>the offset in <em class="parameter"><code>data</code></em>
from which to parse the NAL unit</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>size</p></td>
<td class="parameter_description"><p>the size of <em class="parameter"><code>data</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nal_length_size</p></td>
<td class="parameter_description"><p>the size in bytes of the AVC nal length prefix.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nalu</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a> to store the identified NAL unit in</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-h264-parser-identify-nalu-avc.returns"></a><h4>Returns</h4>
<p> a <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="type">GstH264ParserResult</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-h264-parser-parse-nal"></a><h3>gst_h264_parser_parse_nal ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="returnvalue">GstH264ParserResult</span></a>
gst_h264_parser_parse_nal (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a> *nalparser</code></em>,
                           <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a> *nalu</code></em>);</pre>
<p>This function should be called in the case one doesn't need to
parse a specific structure. It is necessary to do so to make
sure <em class="parameter"><code>nalparser</code></em>
 is up to date.</p>
<div class="refsect3">
<a name="gst-h264-parser-parse-nal.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>nalparser</p></td>
<td class="parameter_description"><p>a <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nalu</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a> to parse</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-h264-parser-parse-nal.returns"></a><h4>Returns</h4>
<p> a <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="type">GstH264ParserResult</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-h264-parser-parse-slice-hdr"></a><h3>gst_h264_parser_parse_slice_hdr ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="returnvalue">GstH264ParserResult</span></a>
gst_h264_parser_parse_slice_hdr (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a> *nalparser</code></em>,
                                 <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a> *nalu</code></em>,
                                 <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264SliceHdr" title="struct GstH264SliceHdr"><span class="type">GstH264SliceHdr</span></a> *slice</code></em>,
                                 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> parse_pred_weight_table</code></em>,
                                 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> parse_dec_ref_pic_marking</code></em>);</pre>
<p>Parses <em class="parameter"><code>nalu</code></em>
 containing a coded slice, and fills <em class="parameter"><code>slice</code></em>
.</p>
<div class="refsect3">
<a name="gst-h264-parser-parse-slice-hdr.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>nalparser</p></td>
<td class="parameter_description"><p>a <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nalu</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-NAL-SLICE:CAPS"><span class="type">GST_H264_NAL_SLICE</span></a> to <a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-NAL-SLICE-IDR:CAPS"><span class="type">GST_H264_NAL_SLICE_IDR</span></a> <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a> to parse</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>slice</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264SliceHdr" title="struct GstH264SliceHdr"><span class="type">GstH264SliceHdr</span></a> to fill.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>parse_pred_weight_table</p></td>
<td class="parameter_description"><p>Whether to parse the pred_weight_table or not</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>parse_dec_ref_pic_marking</p></td>
<td class="parameter_description"><p>Whether to parse the dec_ref_pic_marking or not</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-h264-parser-parse-slice-hdr.returns"></a><h4>Returns</h4>
<p> a <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="type">GstH264ParserResult</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-h264-parser-parse-sps"></a><h3>gst_h264_parser_parse_sps ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="returnvalue">GstH264ParserResult</span></a>
gst_h264_parser_parse_sps (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a> *nalparser</code></em>,
                           <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a> *nalu</code></em>,
                           <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264SPS" title="struct GstH264SPS"><span class="type">GstH264SPS</span></a> *sps</code></em>,
                           <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> parse_vui_params</code></em>);</pre>
<p>Parses <em class="parameter"><code>nalu</code></em>
 containing a Sequence Parameter Set, and fills <em class="parameter"><code>sps</code></em>
.</p>
<div class="refsect3">
<a name="gst-h264-parser-parse-sps.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>nalparser</p></td>
<td class="parameter_description"><p>a <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nalu</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-NAL-SPS:CAPS"><span class="type">GST_H264_NAL_SPS</span></a> <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a> to parse</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>sps</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264SPS" title="struct GstH264SPS"><span class="type">GstH264SPS</span></a> to fill.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>parse_vui_params</p></td>
<td class="parameter_description"><p>Whether to parse the vui_params or not</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-h264-parser-parse-sps.returns"></a><h4>Returns</h4>
<p> a <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="type">GstH264ParserResult</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-h264-parser-parse-pps"></a><h3>gst_h264_parser_parse_pps ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="returnvalue">GstH264ParserResult</span></a>
gst_h264_parser_parse_pps (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a> *nalparser</code></em>,
                           <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a> *nalu</code></em>,
                           <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264PPS" title="struct GstH264PPS"><span class="type">GstH264PPS</span></a> *pps</code></em>);</pre>
<p>Parses <em class="parameter"><code>nalu</code></em>
 containing a Picture Parameter Set, and fills <em class="parameter"><code>pps</code></em>
.</p>
<p>The resulting <em class="parameter"><code>pps</code></em>
 data structure must be deallocated by the caller using
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-pps-clear" title="gst_h264_pps_clear ()"><code class="function">gst_h264_pps_clear()</code></a>.</p>
<div class="refsect3">
<a name="gst-h264-parser-parse-pps.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>nalparser</p></td>
<td class="parameter_description"><p>a <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nalu</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-NAL-PPS:CAPS"><span class="type">GST_H264_NAL_PPS</span></a> <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a> to parse</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>pps</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264PPS" title="struct GstH264PPS"><span class="type">GstH264PPS</span></a> to fill.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-h264-parser-parse-pps.returns"></a><h4>Returns</h4>
<p> a <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="type">GstH264ParserResult</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-h264-parser-parse-sei"></a><h3>gst_h264_parser_parse_sei ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="returnvalue">GstH264ParserResult</span></a>
gst_h264_parser_parse_sei (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a> *nalparser</code></em>,
                           <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a> *nalu</code></em>,
                           <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Arrays.html#GArray"><span class="type">GArray</span></a> **messages</code></em>);</pre>
<p>Parses <em class="parameter"><code>nalu</code></em>
 containing one or more Supplementary Enhancement Information messages,
and allocates and fills the <em class="parameter"><code>messages</code></em>
 array.</p>
<div class="refsect3">
<a name="gst-h264-parser-parse-sei.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>nalparser</p></td>
<td class="parameter_description"><p>a <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nalu</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-NAL-SEI:CAPS"><span class="type">GST_H264_NAL_SEI</span></a> <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a> to parse</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>messages</p></td>
<td class="parameter_description"><p>The GArray of <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264SEIMessage" title="struct GstH264SEIMessage"><span class="type">GstH264SEIMessage</span></a> to fill. The caller must free it when done.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-h264-parser-parse-sei.returns"></a><h4>Returns</h4>
<p> a <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="type">GstH264ParserResult</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-h264-nal-parser-new"></a><h3>gst_h264_nal_parser_new ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="returnvalue">GstH264NalParser</span></a> *
gst_h264_nal_parser_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Creates a new <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a>. It should be freed with
gst_h264_nal_parser_free after use.</p>
<div class="refsect3">
<a name="gst-h264-nal-parser-new.returns"></a><h4>Returns</h4>
<p> a new <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-h264-nal-parser-free"></a><h3>gst_h264_nal_parser_free ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_h264_nal_parser_free (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a> *nalparser</code></em>);</pre>
<p>Frees <em class="parameter"><code>nalparser</code></em>
 and sets it to <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p>
<div class="refsect3">
<a name="gst-h264-nal-parser-free.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>nalparser</p></td>
<td class="parameter_description"><p>the <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a> to free</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-h264-parse-sps"></a><h3>gst_h264_parse_sps ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="returnvalue">GstH264ParserResult</span></a>
gst_h264_parse_sps (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a> *nalu</code></em>,
                    <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264SPS" title="struct GstH264SPS"><span class="type">GstH264SPS</span></a> *sps</code></em>,
                    <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> parse_vui_params</code></em>);</pre>
<p>Parses <em class="parameter"><code>data</code></em>
, and fills the <em class="parameter"><code>sps</code></em>
 structure.</p>
<div class="refsect3">
<a name="gst-h264-parse-sps.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>nalu</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-NAL-SPS:CAPS"><span class="type">GST_H264_NAL_SPS</span></a> <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a> to parse</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>sps</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264SPS" title="struct GstH264SPS"><span class="type">GstH264SPS</span></a> to fill.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>parse_vui_params</p></td>
<td class="parameter_description"><p>Whether to parse the vui_params or not</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-h264-parse-sps.returns"></a><h4>Returns</h4>
<p> a <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="type">GstH264ParserResult</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-h264-parse-pps"></a><h3>gst_h264_parse_pps ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="returnvalue">GstH264ParserResult</span></a>
gst_h264_parse_pps (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a> *nalparser</code></em>,
                    <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a> *nalu</code></em>,
                    <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264PPS" title="struct GstH264PPS"><span class="type">GstH264PPS</span></a> *pps</code></em>);</pre>
<p>Parses <em class="parameter"><code>data</code></em>
, and fills the <em class="parameter"><code>pps</code></em>
 structure.</p>
<p>The resulting <em class="parameter"><code>pps</code></em>
 data structure shall be deallocated with the
<a class="link" href="gst-plugins-bad-libs-h264parser.html#gst-h264-pps-clear" title="gst_h264_pps_clear ()"><code class="function">gst_h264_pps_clear()</code></a> function when it is no longer needed, or prior
to parsing a new PPS NAL unit.</p>
<div class="refsect3">
<a name="gst-h264-parse-pps.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>nalparser</p></td>
<td class="parameter_description"><p>a <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalParser" title="struct GstH264NalParser"><span class="type">GstH264NalParser</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nalu</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-NAL-PPS:CAPS"><span class="type">GST_H264_NAL_PPS</span></a> <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnit" title="struct GstH264NalUnit"><span class="type">GstH264NalUnit</span></a> to parse</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>pps</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264PPS" title="struct GstH264PPS"><span class="type">GstH264PPS</span></a> to fill.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-h264-parse-pps.returns"></a><h4>Returns</h4>
<p> a <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264ParserResult" title="enum GstH264ParserResult"><span class="type">GstH264ParserResult</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-h264-pps-clear"></a><h3>gst_h264_pps_clear ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_h264_pps_clear (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264PPS" title="struct GstH264PPS"><span class="type">GstH264PPS</span></a> *pps</code></em>);</pre>
<p>Clears all <em class="parameter"><code>pps</code></em>
 internal resources.</p>
<div class="refsect3">
<a name="gst-h264-pps-clear.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pps</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264PPS" title="struct GstH264PPS"><span class="type">GstH264PPS</span></a> to free</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: 1.4</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-h264-quant-matrix-8x8-get-zigzag-from-raster"></a><h3>gst_h264_quant_matrix_8x8_get_zigzag_from_raster ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_h264_quant_matrix_8x8_get_zigzag_from_raster
                               (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> out_quant[64]</code></em>,
                                <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> quant[64]</code></em>);</pre>
<p>Converts quantization matrix <em class="parameter"><code>quant</code></em>
 from raster scan order to
zigzag scan order and store the resulting factors into <em class="parameter"><code>out_quant</code></em>
.</p>
<p>Note: it is an error to pass the same table in both <em class="parameter"><code>quant</code></em>
 and
<em class="parameter"><code>out_quant</code></em>
 arguments.</p>
<div class="refsect3">
<a name="gst-h264-quant-matrix-8x8-get-zigzag-from-raster.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>out_quant</p></td>
<td class="parameter_description"><p>The resulting quantization matrix. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>quant</p></td>
<td class="parameter_description"><p>The source quantization matrix</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 1.4</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-h264-quant-matrix-8x8-get-raster-from-zigzag"></a><h3>gst_h264_quant_matrix_8x8_get_raster_from_zigzag ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_h264_quant_matrix_8x8_get_raster_from_zigzag
                               (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> out_quant[64]</code></em>,
                                <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> quant[64]</code></em>);</pre>
<p>Converts quantization matrix <em class="parameter"><code>quant</code></em>
 from zigzag scan order to
raster scan order and store the resulting factors into <em class="parameter"><code>out_quant</code></em>
.</p>
<p>Note: it is an error to pass the same table in both <em class="parameter"><code>quant</code></em>
 and
<em class="parameter"><code>out_quant</code></em>
 arguments.</p>
<div class="refsect3">
<a name="gst-h264-quant-matrix-8x8-get-raster-from-zigzag.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>out_quant</p></td>
<td class="parameter_description"><p>The resulting quantization matrix. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>quant</p></td>
<td class="parameter_description"><p>The source quantization matrix</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 1.4</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-h264-quant-matrix-4x4-get-zigzag-from-raster"></a><h3>gst_h264_quant_matrix_4x4_get_zigzag_from_raster ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_h264_quant_matrix_4x4_get_zigzag_from_raster
                               (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> out_quant[16]</code></em>,
                                <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> quant[16]</code></em>);</pre>
<p>Converts quantization matrix <em class="parameter"><code>quant</code></em>
 from raster scan order to
zigzag scan order and store the resulting factors into <em class="parameter"><code>out_quant</code></em>
.</p>
<p>Note: it is an error to pass the same table in both <em class="parameter"><code>quant</code></em>
 and
<em class="parameter"><code>out_quant</code></em>
 arguments.</p>
<div class="refsect3">
<a name="gst-h264-quant-matrix-4x4-get-zigzag-from-raster.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>out_quant</p></td>
<td class="parameter_description"><p>The resulting quantization matrix. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>quant</p></td>
<td class="parameter_description"><p>The source quantization matrix</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 1.4</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-h264-quant-matrix-4x4-get-raster-from-zigzag"></a><h3>gst_h264_quant_matrix_4x4_get_raster_from_zigzag ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_h264_quant_matrix_4x4_get_raster_from_zigzag
                               (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> out_quant[16]</code></em>,
                                <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> quant[16]</code></em>);</pre>
<p>Converts quantization matrix <em class="parameter"><code>quant</code></em>
 from zigzag scan order to
raster scan order and store the resulting factors into <em class="parameter"><code>out_quant</code></em>
.</p>
<p>Note: it is an error to pass the same table in both <em class="parameter"><code>quant</code></em>
 and
<em class="parameter"><code>out_quant</code></em>
 arguments.</p>
<div class="refsect3">
<a name="gst-h264-quant-matrix-4x4-get-raster-from-zigzag.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>out_quant</p></td>
<td class="parameter_description"><p>The resulting quantization matrix. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>quant</p></td>
<td class="parameter_description"><p>The source quantization matrix</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 1.4</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-h264-video-calculate-framerate"></a><h3>gst_h264_video_calculate_framerate ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_h264_video_calculate_framerate (<em class="parameter"><code>const <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264SPS" title="struct GstH264SPS"><span class="type">GstH264SPS</span></a> *sps</code></em>,
                                    <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> field_pic_flag</code></em>,
                                    <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> pic_struct</code></em>,
                                    <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *fps_num</code></em>,
                                    <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *fps_den</code></em>);</pre>
<p>Calculate framerate of a video sequence using <em class="parameter"><code>sps</code></em>
 VUI information,
<em class="parameter"><code>field_pic_flag</code></em>
 from a slice header and <em class="parameter"><code>pic_struct</code></em>
 from <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264PicTiming" title="struct GstH264PicTiming"><span class="type">GstH264PicTiming</span></a> SEI
message.</p>
<p>If framerate is variable or can't be determined, <em class="parameter"><code>fps_num</code></em>
 will be set to 0
and <em class="parameter"><code>fps_den</code></em>
 to 1.</p>
<div class="refsect3">
<a name="gst-h264-video-calculate-framerate.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>sps</p></td>
<td class="parameter_description"><p>Current Sequence Parameter Set</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>field_pic_flag</p></td>
<td class="parameter_description"><p>Current <em class="parameter"><code>field_pic_flag</code></em>
, obtained from latest slice header</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>pic_struct</p></td>
<td class="parameter_description"><p><em class="parameter"><code>pic_struct</code></em>
value if available, 0 otherwise</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>fps_num</p></td>
<td class="parameter_description"><p>The resulting fps numerator. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>fps_den</p></td>
<td class="parameter_description"><p>The resulting fps denominator. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-h264parser.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GST-H264-MAX-SPS-COUNT:CAPS"></a><h3>GST_H264_MAX_SPS_COUNT</h3>
<pre class="programlisting">#define GST_H264_MAX_SPS_COUNT   32
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-H264-MAX-PPS-COUNT:CAPS"></a><h3>GST_H264_MAX_PPS_COUNT</h3>
<pre class="programlisting">#define GST_H264_MAX_PPS_COUNT   256
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GstH264NalUnitType"></a><h3>enum GstH264NalUnitType</h3>
<p>Indicates the type of H264 Nal Units</p>
<div class="refsect3">
<a name="GstH264NalUnitType.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-UNKNOWN:CAPS"></a>GST_H264_NAL_UNKNOWN</p></td>
<td class="enum_member_description">
<p>Unknown nal type</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-SLICE:CAPS"></a>GST_H264_NAL_SLICE</p></td>
<td class="enum_member_description">
<p>Slice nal</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-SLICE-DPA:CAPS"></a>GST_H264_NAL_SLICE_DPA</p></td>
<td class="enum_member_description">
<p>DPA slice nal</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-SLICE-DPB:CAPS"></a>GST_H264_NAL_SLICE_DPB</p></td>
<td class="enum_member_description">
<p>DPB slice nal</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-SLICE-DPC:CAPS"></a>GST_H264_NAL_SLICE_DPC</p></td>
<td class="enum_member_description">
<p>DPC slice nal</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-SLICE-IDR:CAPS"></a>GST_H264_NAL_SLICE_IDR</p></td>
<td class="enum_member_description">
<p>DPR slice nal</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-SEI:CAPS"></a>GST_H264_NAL_SEI</p></td>
<td class="enum_member_description">
<p>Supplemental enhancement information (SEI) nal unit</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-SPS:CAPS"></a>GST_H264_NAL_SPS</p></td>
<td class="enum_member_description">
<p>Sequence parameter set (SPS) nal unit</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-PPS:CAPS"></a>GST_H264_NAL_PPS</p></td>
<td class="enum_member_description">
<p>Picture parameter set (PPS) nal unit</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-AU-DELIMITER:CAPS"></a>GST_H264_NAL_AU_DELIMITER</p></td>
<td class="enum_member_description">
<p>Access unit (AU) delimiter nal unit</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-SEQ-END:CAPS"></a>GST_H264_NAL_SEQ_END</p></td>
<td class="enum_member_description">
<p>End of sequence nal unit</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-STREAM-END:CAPS"></a>GST_H264_NAL_STREAM_END</p></td>
<td class="enum_member_description">
<p>End of stream nal unit</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-FILLER-DATA:CAPS"></a>GST_H264_NAL_FILLER_DATA</p></td>
<td class="enum_member_description">
<p>Filler data nal lunit</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-SPS-EXT:CAPS"></a>GST_H264_NAL_SPS_EXT</p></td>
<td class="enum_member_description">
<p>Sequence parameter set (SPS) extension NAL unit</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-PREFIX-UNIT:CAPS"></a>GST_H264_NAL_PREFIX_UNIT</p></td>
<td class="enum_member_description">
<p>Prefix NAL unit</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-SUBSET-SPS:CAPS"></a>GST_H264_NAL_SUBSET_SPS</p></td>
<td class="enum_member_description">
<p>Subset sequence parameter set (SSPS) NAL unit</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-DEPTH-SPS:CAPS"></a>GST_H264_NAL_DEPTH_SPS</p></td>
<td class="enum_member_description">
<p>Depth parameter set (DPS) NAL unit</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-SLICE-AUX:CAPS"></a>GST_H264_NAL_SLICE_AUX</p></td>
<td class="enum_member_description">
<p>Auxiliary coded picture without partitioning NAL unit</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-SLICE-EXT:CAPS"></a>GST_H264_NAL_SLICE_EXT</p></td>
<td class="enum_member_description">
<p>Coded slice extension NAL unit</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-NAL-SLICE-DEPTH:CAPS"></a>GST_H264_NAL_SLICE_DEPTH</p></td>
<td class="enum_member_description">
<p>Coded slice extension for depth or 3D-AVC texture view</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstH264ParserResult"></a><h3>enum GstH264ParserResult</h3>
<p>The result of parsing H264 data.</p>
<div class="refsect3">
<a name="GstH264ParserResult.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-PARSER-OK:CAPS"></a>GST_H264_PARSER_OK</p></td>
<td class="enum_member_description">
<p>The parsing succeeded</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-PARSER-BROKEN-DATA:CAPS"></a>GST_H264_PARSER_BROKEN_DATA</p></td>
<td class="enum_member_description">
<p>The data to parse is broken</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-PARSER-BROKEN-LINK:CAPS"></a>GST_H264_PARSER_BROKEN_LINK</p></td>
<td class="enum_member_description">
<p>The link to structure needed for the parsing couldn't be found</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-PARSER-ERROR:CAPS"></a>GST_H264_PARSER_ERROR</p></td>
<td class="enum_member_description">
<p>An error occurred when parsing</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-PARSER-NO-NAL:CAPS"></a>GST_H264_PARSER_NO_NAL</p></td>
<td class="enum_member_description">
<p>No NAL unit found during the parsing</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-PARSER-NO-NAL-END:CAPS"></a>GST_H264_PARSER_NO_NAL_END</p></td>
<td class="enum_member_description">
<p>Start of the NAL unit found, but not the end.
    This will be returned if no start/sync marker for the next NAL unit was
    found. In this case the parser will assume that the end of the data is
    also the end of the NAL unit. Whether this assumption is correct or not
    depends on the context, which only the caller can know, which is why a
    special result value is returned in this case. If the data is NAL-aligned
    then <a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-PARSER-NO-NAL-END:CAPS"><span class="type">GST_H264_PARSER_NO_NAL_END</span></a> can be treated just like
    <a class="link" href="gst-plugins-bad-libs-h264parser.html#GST-H264-PARSER-OK:CAPS"><span class="type">GST_H264_PARSER_OK</span></a>. If the data is not guaranteed to be NAL-aligned,
    then the caller probably wants to collect more data until there's another
    sync marker or the end of the stream has been reached.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstH264SEIPayloadType"></a><h3>enum GstH264SEIPayloadType</h3>
<p>The type of SEI message.</p>
<div class="refsect3">
<a name="GstH264SEIPayloadType.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-SEI-BUF-PERIOD:CAPS"></a>GST_H264_SEI_BUF_PERIOD</p></td>
<td class="enum_member_description">
<p>Buffering Period SEI Message</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-SEI-PIC-TIMING:CAPS"></a>GST_H264_SEI_PIC_TIMING</p></td>
<td class="enum_member_description">
<p>Picture Timing SEI Message</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-SEI-REGISTERED-USER-DATA:CAPS"></a>GST_H264_SEI_REGISTERED_USER_DATA</p></td>
<td class="enum_member_description">
<p>Registered user data (D.2.5)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-SEI-RECOVERY-POINT:CAPS"></a>GST_H264_SEI_RECOVERY_POINT</p></td>
<td class="enum_member_description">
<p>Recovery Point SEI Message (D.2.7)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-SEI-STEREO-VIDEO-INFO:CAPS"></a>GST_H264_SEI_STEREO_VIDEO_INFO</p></td>
<td class="enum_member_description">
<p>stereo video info SEI message (Since: 1.6)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-SEI-FRAME-PACKING:CAPS"></a>GST_H264_SEI_FRAME_PACKING</p></td>
<td class="enum_member_description">
<p>Frame Packing Arrangement (FPA) message that
    contains the 3D arrangement for stereoscopic 3D video (Since: 1.6)
...</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstH264SEIPicStructType"></a><h3>enum GstH264SEIPicStructType</h3>
<p>SEI pic_struct type</p>
<div class="refsect3">
<a name="GstH264SEIPicStructType.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-SEI-PIC-STRUCT-FRAME:CAPS"></a>GST_H264_SEI_PIC_STRUCT_FRAME</p></td>
<td class="enum_member_description">
<p>Picture is a frame</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-SEI-PIC-STRUCT-TOP-FIELD:CAPS"></a>GST_H264_SEI_PIC_STRUCT_TOP_FIELD</p></td>
<td class="enum_member_description">
<p>Top field of frame</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-SEI-PIC-STRUCT-BOTTOM-FIELD:CAPS"></a>GST_H264_SEI_PIC_STRUCT_BOTTOM_FIELD</p></td>
<td class="enum_member_description">
<p>Bottom field of frame</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-SEI-PIC-STRUCT-TOP-BOTTOM:CAPS"></a>GST_H264_SEI_PIC_STRUCT_TOP_BOTTOM</p></td>
<td class="enum_member_description">
<p>Top bottom field of frame</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-SEI-PIC-STRUCT-BOTTOM-TOP:CAPS"></a>GST_H264_SEI_PIC_STRUCT_BOTTOM_TOP</p></td>
<td class="enum_member_description">
<p>bottom top field of frame</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-SEI-PIC-STRUCT-TOP-BOTTOM-TOP:CAPS"></a>GST_H264_SEI_PIC_STRUCT_TOP_BOTTOM_TOP</p></td>
<td class="enum_member_description">
<p>top bottom top field of frame</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-SEI-PIC-STRUCT-BOTTOM-TOP-BOTTOM:CAPS"></a>GST_H264_SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM</p></td>
<td class="enum_member_description">
<p>bottom top bottom field of frame</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-SEI-PIC-STRUCT-FRAME-DOUBLING:CAPS"></a>GST_H264_SEI_PIC_STRUCT_FRAME_DOUBLING</p></td>
<td class="enum_member_description">
<p>indicates that the frame should
 be displayed two times consecutively</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-SEI-PIC-STRUCT-FRAME-TRIPLING:CAPS"></a>GST_H264_SEI_PIC_STRUCT_FRAME_TRIPLING</p></td>
<td class="enum_member_description">
<p>indicates that the frame should be
 displayed three times consecutively</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstH264SliceType"></a><h3>enum GstH264SliceType</h3>
<p>Type of Picture slice</p>
<div class="refsect3">
<a name="GstH264SliceType.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-P-SLICE:CAPS"></a>GST_H264_P_SLICE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-B-SLICE:CAPS"></a>GST_H264_B_SLICE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-I-SLICE:CAPS"></a>GST_H264_I_SLICE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-SP-SLICE:CAPS"></a>GST_H264_SP_SLICE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-SI-SLICE:CAPS"></a>GST_H264_SI_SLICE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-S-P-SLICE:CAPS"></a>GST_H264_S_P_SLICE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-S-B-SLICE:CAPS"></a>GST_H264_S_B_SLICE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-S-I-SLICE:CAPS"></a>GST_H264_S_I_SLICE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-S-SP-SLICE:CAPS"></a>GST_H264_S_SP_SLICE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-H264-S-SI-SLICE:CAPS"></a>GST_H264_S_SI_SLICE</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstH264NalParser"></a><h3>struct GstH264NalParser</h3>
<pre class="programlisting">struct GstH264NalParser {
};
</pre>
<p>H264 NAL Parser (opaque structure).</p>
</div>
<hr>
<div class="refsect2">
<a name="GstH264NalUnit"></a><h3>struct GstH264NalUnit</h3>
<pre class="programlisting">struct GstH264NalUnit {
  guint16 ref_idc;
  guint16 type;

  /* calculated values */
  guint8 idr_pic_flag;
  guint size;
  guint offset;
  guint sc_offset;
  gboolean valid;

  guint8 *data;

  guint8 header_bytes;
  guint8 extension_type;
  union {
    GstH264NalUnitExtensionMVC mvc;
  } extension;
};
</pre>
<p>Structure defining the NAL unit headers</p>
<div class="refsect3">
<a name="GstH264NalUnit.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> <em class="structfield"><code><a name="GstH264NalUnit.ref-idc"></a>ref_idc</code></em>;</p></td>
<td class="struct_member_description"><p>not equal to 0 specifies that the content of the NAL unit
contains a sequence parameter set, a sequence parameter set
extension, a subset sequence parameter set, a picture parameter
set, a slice of a reference picture, a slice data partition of a
reference picture, or a prefix NAL unit preceding a slice of a
reference picture.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> <em class="structfield"><code><a name="GstH264NalUnit.type"></a>type</code></em>;</p></td>
<td class="struct_member_description"><p>A <a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264NalUnitType" title="enum GstH264NalUnitType"><span class="type">GstH264NalUnitType</span></a></p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264NalUnit.idr-pic-flag"></a>idr_pic_flag</code></em>;</p></td>
<td class="struct_member_description"><p>calculated idr_pic_flag</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstH264NalUnit.size"></a>size</code></em>;</p></td>
<td class="struct_member_description"><p>The size of the NAL unit starting from <em class="parameter"><code>offset</code></em>
, thus
including the header bytes. e.g. <em class="parameter"><code>type</code></em>
(nal_unit_type)</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstH264NalUnit.offset"></a>offset</code></em>;</p></td>
<td class="struct_member_description"><p>The offset of the actual start of the NAL unit, thus
including the header bytes</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstH264NalUnit.sc-offset"></a>sc_offset</code></em>;</p></td>
<td class="struct_member_description"><p>The offset of the start code of the NAL unit</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> <em class="structfield"><code><a name="GstH264NalUnit.valid"></a>valid</code></em>;</p></td>
<td class="struct_member_description"><p>If the NAL unit is valid, which means it has
already been parsed</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *<em class="structfield"><code><a name="GstH264NalUnit.data"></a>data</code></em>;</p></td>
<td class="struct_member_description"><p>The data from which the NAL unit has been parsed</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264NalUnit.header-bytes"></a>header_bytes</code></em>;</p></td>
<td class="struct_member_description"><p>The size of the NALU header in bytes (Since: 1.6)</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264NalUnit.extension-type"></a>extension_type</code></em>;</p></td>
<td class="struct_member_description"><p>the extension type (Since: 1.6)</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstH264SPS"></a><h3>struct GstH264SPS</h3>
<pre class="programlisting">struct GstH264SPS {
  gint id;

  guint8 profile_idc;
  guint8 constraint_set0_flag;
  guint8 constraint_set1_flag;
  guint8 constraint_set2_flag;
  guint8 constraint_set3_flag;
  guint8 constraint_set4_flag;
  guint8 constraint_set5_flag;
  guint8 level_idc;

  guint8 chroma_format_idc;
  guint8 separate_colour_plane_flag;
  guint8 bit_depth_luma_minus8;
  guint8 bit_depth_chroma_minus8;
  guint8 qpprime_y_zero_transform_bypass_flag;

  guint8 scaling_matrix_present_flag;
  guint8 scaling_lists_4x4[6][16];
  guint8 scaling_lists_8x8[6][64];

  guint8 log2_max_frame_num_minus4;
  guint8 pic_order_cnt_type;

  /* if pic_order_cnt_type == 0 */
  guint8 log2_max_pic_order_cnt_lsb_minus4;

  /* else if pic_order_cnt_type == 1 */
  guint8 delta_pic_order_always_zero_flag;
  gint32 offset_for_non_ref_pic;
  gint32 offset_for_top_to_bottom_field;
  guint8 num_ref_frames_in_pic_order_cnt_cycle;
  gint32 offset_for_ref_frame[255];

  guint32 num_ref_frames;
  guint8 gaps_in_frame_num_value_allowed_flag;
  guint32 pic_width_in_mbs_minus1;
  guint32 pic_height_in_map_units_minus1;
  guint8 frame_mbs_only_flag;

  guint8 mb_adaptive_frame_field_flag;

  guint8 direct_8x8_inference_flag;

  guint8 frame_cropping_flag;

  /* if frame_cropping_flag */
  guint32 frame_crop_left_offset;
  guint32 frame_crop_right_offset;
  guint32 frame_crop_top_offset;
  guint32 frame_crop_bottom_offset;

  guint8 vui_parameters_present_flag;
  /* if vui_parameters_present_flag */
  GstH264VUIParams vui_parameters;

  /* calculated values */
  guint8 chroma_array_type;
  guint32 max_frame_num;
  gint width, height;
  gint crop_rect_width, crop_rect_height;
  gint crop_rect_x, crop_rect_y;
  gint fps_num_removed, fps_den_removed; /* FIXME: remove */
  gboolean valid;

  /* Subset SPS extensions */
  guint8 extension_type;
  union {
    GstH264SPSExtMVC mvc;
  } extension;
};
</pre>
<p>H264 Sequence Parameter Set (SPS)</p>
<div class="refsect3">
<a name="GstH264SPS.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstH264SPS.id"></a>id</code></em>;</p></td>
<td class="struct_member_description"><p>The ID of the sequence parameter set</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.profile-idc"></a>profile_idc</code></em>;</p></td>
<td class="struct_member_description"><p>indicate the profile to which the coded video sequence conforms</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.constraint-set0-flag"></a>constraint_set0_flag</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.constraint-set1-flag"></a>constraint_set1_flag</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.constraint-set2-flag"></a>constraint_set2_flag</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.constraint-set3-flag"></a>constraint_set3_flag</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.constraint-set4-flag"></a>constraint_set4_flag</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.constraint-set5-flag"></a>constraint_set5_flag</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.level-idc"></a>level_idc</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.chroma-format-idc"></a>chroma_format_idc</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.separate-colour-plane-flag"></a>separate_colour_plane_flag</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.bit-depth-luma-minus8"></a>bit_depth_luma_minus8</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.bit-depth-chroma-minus8"></a>bit_depth_chroma_minus8</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.qpprime-y-zero-transform-bypass-flag"></a>qpprime_y_zero_transform_bypass_flag</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.scaling-matrix-present-flag"></a>scaling_matrix_present_flag</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.scaling-lists-4x4"></a>scaling_lists_4x4</code></em>[6][16];</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.scaling-lists-8x8"></a>scaling_lists_8x8</code></em>[6][64];</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.log2-max-frame-num-minus4"></a>log2_max_frame_num_minus4</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.pic-order-cnt-type"></a>pic_order_cnt_type</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.log2-max-pic-order-cnt-lsb-minus4"></a>log2_max_pic_order_cnt_lsb_minus4</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.delta-pic-order-always-zero-flag"></a>delta_pic_order_always_zero_flag</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> <em class="structfield"><code><a name="GstH264SPS.offset-for-non-ref-pic"></a>offset_for_non_ref_pic</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> <em class="structfield"><code><a name="GstH264SPS.offset-for-top-to-bottom-field"></a>offset_for_top_to_bottom_field</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.num-ref-frames-in-pic-order-cnt-cycle"></a>num_ref_frames_in_pic_order_cnt_cycle</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> <em class="structfield"><code><a name="GstH264SPS.offset-for-ref-frame"></a>offset_for_ref_frame</code></em>[255];</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstH264SPS.num-ref-frames"></a>num_ref_frames</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.gaps-in-frame-num-value-allowed-flag"></a>gaps_in_frame_num_value_allowed_flag</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstH264SPS.pic-width-in-mbs-minus1"></a>pic_width_in_mbs_minus1</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstH264SPS.pic-height-in-map-units-minus1"></a>pic_height_in_map_units_minus1</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.frame-mbs-only-flag"></a>frame_mbs_only_flag</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.mb-adaptive-frame-field-flag"></a>mb_adaptive_frame_field_flag</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.direct-8x8-inference-flag"></a>direct_8x8_inference_flag</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.frame-cropping-flag"></a>frame_cropping_flag</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstH264SPS.frame-crop-left-offset"></a>frame_crop_left_offset</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstH264SPS.frame-crop-right-offset"></a>frame_crop_right_offset</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstH264SPS.frame-crop-top-offset"></a>frame_crop_top_offset</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstH264SPS.frame-crop-bottom-offset"></a>frame_crop_bottom_offset</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.vui-parameters-present-flag"></a>vui_parameters_present_flag</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264VUIParams" title="struct GstH264VUIParams"><span class="type">GstH264VUIParams</span></a> <em class="structfield"><code><a name="GstH264SPS.vui-parameters"></a>vui_parameters</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.chroma-array-type"></a>chroma_array_type</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstH264SPS.max-frame-num"></a>max_frame_num</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstH264SPS.width"></a>width</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstH264SPS.height"></a>height</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstH264SPS.crop-rect-width"></a>crop_rect_width</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstH264SPS.crop-rect-height"></a>crop_rect_height</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstH264SPS.crop-rect-x"></a>crop_rect_x</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstH264SPS.crop-rect-y"></a>crop_rect_y</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstH264SPS.fps-num-removed"></a>fps_num_removed</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstH264SPS.fps-den-removed"></a>fps_den_removed</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> <em class="structfield"><code><a name="GstH264SPS.valid"></a>valid</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264SPS.extension-type"></a>extension_type</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstH264PPS"></a><h3>struct GstH264PPS</h3>
<pre class="programlisting">struct GstH264PPS {
  gint id;

  GstH264SPS *sequence;

  guint8 entropy_coding_mode_flag;
  guint8 pic_order_present_flag;

  guint32 num_slice_groups_minus1;

  /* if num_slice_groups_minus1 &gt; 0 */
  guint8 slice_group_map_type;
  /* and if slice_group_map_type == 0 */
  guint32 run_length_minus1[8];
  /* or if slice_group_map_type == 2 */
  guint32 top_left[8];
  guint32 bottom_right[8];
  /* or if slice_group_map_type == (3, 4, 5) */
  guint8 slice_group_change_direction_flag;
  guint32 slice_group_change_rate_minus1;
  /* or if slice_group_map_type == 6 */
  guint32 pic_size_in_map_units_minus1;
  guint8 *slice_group_id;

  guint8 num_ref_idx_l0_active_minus1;
  guint8 num_ref_idx_l1_active_minus1;
  guint8 weighted_pred_flag;
  guint8 weighted_bipred_idc;
  gint8 pic_init_qp_minus26;
  gint8 pic_init_qs_minus26;
  gint8 chroma_qp_index_offset;
  guint8 deblocking_filter_control_present_flag;
  guint8 constrained_intra_pred_flag;
  guint8 redundant_pic_cnt_present_flag;

  guint8 transform_8x8_mode_flag;

  guint8 scaling_lists_4x4[6][16];
  guint8 scaling_lists_8x8[6][64];

  guint8 second_chroma_qp_index_offset;

  gboolean valid;
};
</pre>
<p>H264 Picture Parameter Set</p>
</div>
<hr>
<div class="refsect2">
<a name="GstH264HRDParams"></a><h3>struct GstH264HRDParams</h3>
<pre class="programlisting">struct GstH264HRDParams {
  guint8 cpb_cnt_minus1;
  guint8 bit_rate_scale;
  guint8 cpb_size_scale;

  guint32 bit_rate_value_minus1[32];
  guint32 cpb_size_value_minus1[32];
  guint8 cbr_flag[32];

  guint8 initial_cpb_removal_delay_length_minus1;
  guint8 cpb_removal_delay_length_minus1;
  guint8 dpb_output_delay_length_minus1;
  guint8 time_offset_length;
};
</pre>
<p>Defines the HRD parameters</p>
<div class="refsect3">
<a name="GstH264HRDParams.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264HRDParams.cpb-cnt-minus1"></a>cpb_cnt_minus1</code></em>;</p></td>
<td class="struct_member_description"><p>plus 1 specifies the number of alternative
CPB specifications in the bitstream</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264HRDParams.bit-rate-scale"></a>bit_rate_scale</code></em>;</p></td>
<td class="struct_member_description"><p>specifies the maximum input bit rate of the
SchedSelIdx-th CPB</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264HRDParams.cpb-size-scale"></a>cpb_size_scale</code></em>;</p></td>
<td class="struct_member_description"><p>specifies the CPB size of the SchedSelIdx-th CPB</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstH264HRDParams.bit-rate-value-minus1"></a>bit_rate_value_minus1</code></em>[32];</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstH264HRDParams.cpb-size-value-minus1"></a>cpb_size_value_minus1</code></em>[32];</p></td>
<td class="struct_member_description"><p>is used together with cpb_size_scale to specify the
SchedSelIdx-th CPB size</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264HRDParams.cbr-flag"></a>cbr_flag</code></em>[32];</p></td>
<td class="struct_member_description"><p>Specifies if running in constant or intermittent bit rate mode</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264HRDParams.initial-cpb-removal-delay-length-minus1"></a>initial_cpb_removal_delay_length_minus1</code></em>;</p></td>
<td class="struct_member_description"><p>specifies the length in bits of
the cpb_removal_delay syntax element</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264HRDParams.cpb-removal-delay-length-minus1"></a>cpb_removal_delay_length_minus1</code></em>;</p></td>
<td class="struct_member_description"><p>specifies the length in bits of the
dpb_output_delay syntax element</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264HRDParams.dpb-output-delay-length-minus1"></a>dpb_output_delay_length_minus1</code></em>;</p></td>
<td class="struct_member_description"><div class="blockquote"><blockquote class="blockquote"><p>0 specifies the length in bits of the time_offset syntax element.
=0 specifies that the time_offset syntax element is not present</p></blockquote></div></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264HRDParams.time-offset-length"></a>time_offset_length</code></em>;</p></td>
<td class="struct_member_description"><p>Length of the time offset</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstH264VUIParams"></a><h3>struct GstH264VUIParams</h3>
<pre class="programlisting">struct GstH264VUIParams {
  guint8 aspect_ratio_info_present_flag;
  guint8 aspect_ratio_idc;
  /* if aspect_ratio_idc == 255 */
  guint16 sar_width;
  guint16 sar_height;

  guint8 overscan_info_present_flag;
  /* if overscan_info_present_flag */
  guint8 overscan_appropriate_flag;

  guint8 video_signal_type_present_flag;
  guint8 video_format;
  guint8 video_full_range_flag;
  guint8 colour_description_present_flag;
  guint8 colour_primaries;
  guint8 transfer_characteristics;
  guint8 matrix_coefficients;

  guint8 chroma_loc_info_present_flag;
  guint8 chroma_sample_loc_type_top_field;
  guint8 chroma_sample_loc_type_bottom_field;

  guint8 timing_info_present_flag;
  /* if timing_info_present_flag */
  guint32 num_units_in_tick;
  guint32 time_scale;
  guint8 fixed_frame_rate_flag;

  guint8 nal_hrd_parameters_present_flag;
  /* if nal_hrd_parameters_present_flag */
  GstH264HRDParams nal_hrd_parameters;

  guint8 vcl_hrd_parameters_present_flag;
  /* if vcl_hrd_parameters_present_flag */
  GstH264HRDParams vcl_hrd_parameters;

  guint8 low_delay_hrd_flag;
  guint8 pic_struct_present_flag;

  guint8 bitstream_restriction_flag;
  /*  if bitstream_restriction_flag */
  guint8 motion_vectors_over_pic_boundaries_flag;
  guint32 max_bytes_per_pic_denom;
  guint32 max_bits_per_mb_denom;
  guint32 log2_max_mv_length_horizontal;
  guint32 log2_max_mv_length_vertical;
  guint32 num_reorder_frames;
  guint32 max_dec_frame_buffering;

  /* calculated values */
  guint par_n;
  guint par_d;
};
</pre>
<p>The structure representing the VUI parameters.</p>
<div class="refsect3">
<a name="GstH264VUIParams.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.aspect-ratio-info-present-flag"></a>aspect_ratio_info_present_flag</code></em>;</p></td>
<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> specifies that aspect_ratio_idc is present.
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> specifies that aspect_ratio_idc is not present
<em class="parameter"><code>aspect_ratio_idc</code></em>
specifies the value of the sample aspect ratio of the luma samples
<em class="parameter"><code>sar_width</code></em>
indicates the horizontal size of the sample aspect ratio
<em class="parameter"><code>sar_height</code></em>
indicates the vertical size of the sample aspect ratio</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.aspect-ratio-idc"></a>aspect_ratio_idc</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> <em class="structfield"><code><a name="GstH264VUIParams.sar-width"></a>sar_width</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> <em class="structfield"><code><a name="GstH264VUIParams.sar-height"></a>sar_height</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.overscan-info-present-flag"></a>overscan_info_present_flag</code></em>;</p></td>
<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> overscan_appropriate_flag is present <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.overscan-appropriate-flag"></a>overscan_appropriate_flag</code></em>;</p></td>
<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> indicates that the cropped decoded pictures
output are suitable for display using overscan. <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> the cropped decoded pictures
output contain visually important information</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.video-signal-type-present-flag"></a>video_signal_type_present_flag</code></em>;</p></td>
<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> specifies that video_format, video_full_range_flag and
colour_description_present_flag are present.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.video-format"></a>video_format</code></em>;</p></td>
<td class="struct_member_description"><p>indicates the representation of the picture</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.video-full-range-flag"></a>video_full_range_flag</code></em>;</p></td>
<td class="struct_member_description"><p>indicates the black level and range of the luma and chroma signals</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.colour-description-present-flag"></a>colour_description_present_flag</code></em>;</p></td>
<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> specifies that colour_primaries,
transfer_characteristics and matrix_coefficients are present</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.colour-primaries"></a>colour_primaries</code></em>;</p></td>
<td class="struct_member_description"><p>indicates the chromaticity coordinates of the source primaries</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.transfer-characteristics"></a>transfer_characteristics</code></em>;</p></td>
<td class="struct_member_description"><p>indicates the opto-electronic transfer characteristic</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.matrix-coefficients"></a>matrix_coefficients</code></em>;</p></td>
<td class="struct_member_description"><p>describes the matrix coefficients used in deriving luma and chroma signals</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.chroma-loc-info-present-flag"></a>chroma_loc_info_present_flag</code></em>;</p></td>
<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> specifies that chroma_sample_loc_type_top_field and
chroma_sample_loc_type_bottom_field are present, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.chroma-sample-loc-type-top-field"></a>chroma_sample_loc_type_top_field</code></em>;</p></td>
<td class="struct_member_description"><p>specify the location of chroma for top field
<em class="parameter"><code>chroma_sample_loc_type_bottom_field</code></em>
specify the location of chroma for bottom field</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.chroma-sample-loc-type-bottom-field"></a>chroma_sample_loc_type_bottom_field</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.timing-info-present-flag"></a>timing_info_present_flag</code></em>;</p></td>
<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> specifies that num_units_in_tick,
time_scale and fixed_frame_rate_flag are present in the bitstream</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstH264VUIParams.num-units-in-tick"></a>num_units_in_tick</code></em>;</p></td>
<td class="struct_member_description"><p>is the number of time units of a clock operating at the frequency time_scale Hz
time_scale: is the number of time units that pass in one second</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstH264VUIParams.time-scale"></a>time_scale</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.fixed-frame-rate-flag"></a>fixed_frame_rate_flag</code></em>;</p></td>
<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> indicates that the temporal distance between the HRD output times
of any two consecutive pictures in output order is constrained as specified in the spec, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>
otherwise.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.nal-hrd-parameters-present-flag"></a>nal_hrd_parameters_present_flag</code></em>;</p></td>
<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if NAL HRD parameters exist in the bitstream</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264HRDParams" title="struct GstH264HRDParams"><span class="type">GstH264HRDParams</span></a> <em class="structfield"><code><a name="GstH264VUIParams.nal-hrd-parameters"></a>nal_hrd_parameters</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.vcl-hrd-parameters-present-flag"></a>vcl_hrd_parameters_present_flag</code></em>;</p></td>
<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if VCL HRD parameters exist in the bitstream</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a class="link" href="gst-plugins-bad-libs-h264parser.html#GstH264HRDParams" title="struct GstH264HRDParams"><span class="type">GstH264HRDParams</span></a> <em class="structfield"><code><a name="GstH264VUIParams.vcl-hrd-parameters"></a>vcl_hrd_parameters</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.low-delay-hrd-flag"></a>low_delay_hrd_flag</code></em>;</p></td>
<td class="struct_member_description"><p>specifies the HRD operational mode</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.pic-struct-present-flag"></a>pic_struct_present_flag</code></em>;</p></td>
<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> specifies that picture timing SEI messages are present or not</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.bitstream-restriction-flag"></a>bitstream_restriction_flag</code></em>;</p></td>
<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> specifies that the following coded video sequence bitstream restriction
parameters are present</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstH264VUIParams.motion-vectors-over-pic-boundaries-flag"></a>motion_vectors_over_pic_boundaries_flag</code></em>;</p></td>
<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> indicates that no sample outside the
picture boundaries and no sample at a fractional sample position, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> indicates that one or more
samples outside picture boundaries may be used in inter prediction</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstH264VUIParams.max-bytes-per-pic-denom"></a>max_bytes_per_pic_denom</code></em>;</p></td>
<td class="struct_member_description"><p>indicates a number of bytes not exceeded by the sum of the sizes of
the VCL NAL units associated with any coded picture in the coded video sequence.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstH264VUIParams.max-bits-per-mb-denom"></a>max_bits_per_mb_denom</code></em>;</p></td>
<td class="struct_member_description"><p>indicates the maximum number of coded bits of macroblock_layer</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstH264VUIParams.log2-max-mv-length-horizontal"></a>log2_max_mv_length_horizontal</code></em>;</p></td>
<td class="struct_member_description"><p>indicate the maximum absolute value of a decoded horizontal
motion vector component</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstH264VUIParams.log2-max-mv-length-vertical"></a>log2_max_mv_length_vertical</code></em>;</p></td>
<td class="struct_member_description"><p>indicate the maximum absolute value of a decoded vertical
motion vector component</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstH264VUIParams.num-reorder-frames"></a>num_reorder_frames</code></em>;</p></td>
<td class="struct_member_description"><p>indicates the maximum number of frames, complementary field pairs,
or non-paired fields that precede any frame,</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstH264VUIParams.max-dec-frame-buffering"></a>max_dec_frame_buffering</code></em>;</p></td>
<td class="struct_member_description"><p>specifies the required size of the HRD decoded picture buffer in
units of frame buffers.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstH264VUIParams.par-n"></a>par_n</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstH264VUIParams.par-d"></a>par_d</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstH264DecRefPicMarking"></a><h3>struct GstH264DecRefPicMarking</h3>
<pre class="programlisting">struct GstH264DecRefPicMarking {
  /* if slice-&gt;nal_unit.IdrPicFlag */
  guint8 no_output_of_prior_pics_flag;
  guint8 long_term_reference_flag;

  guint8 adaptive_ref_pic_marking_mode_flag;
  GstH264RefPicMarking ref_pic_marking[10];
  guint8 n_ref_pic_marking;
};
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GstH264RefPicMarking"></a><h3>struct GstH264RefPicMarking</h3>
<pre class="programlisting">struct GstH264RefPicMarking {
  guint8 memory_management_control_operation;

  guint32 difference_of_pic_nums_minus1;
  guint32 long_term_pic_num;
  guint32 long_term_frame_idx;
  guint32 max_long_term_frame_idx_plus1;
};
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GstH264PredWeightTable"></a><h3>struct GstH264PredWeightTable</h3>
<pre class="programlisting">struct GstH264PredWeightTable {
  guint8 luma_log2_weight_denom;
  guint8 chroma_log2_weight_denom;

  gint16 luma_weight_l0[32];
  gint8 luma_offset_l0[32];

  /* if seq-&gt;ChromaArrayType != 0 */
  gint16 chroma_weight_l0[32][2];
  gint8 chroma_offset_l0[32][2];

  /* if slice-&gt;slice_type % 5 == 1 */
  gint16 luma_weight_l1[32];
  gint8 luma_offset_l1[32];

  /* and if seq-&gt;ChromaArrayType != 0 */
  gint16 chroma_weight_l1[32][2];
  gint8 chroma_offset_l1[32][2];
};
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GstH264SliceHdr"></a><h3>struct GstH264SliceHdr</h3>
<pre class="programlisting">struct GstH264SliceHdr {
  guint32 first_mb_in_slice;
  guint32 type;
  GstH264PPS *pps;

  /* if seq-&gt;separate_colour_plane_flag */
  guint8 colour_plane_id;

  guint16 frame_num;

  guint8 field_pic_flag;
  guint8 bottom_field_flag;

  /* if nal_unit.type == 5 */
  guint16 idr_pic_id;

  /* if seq-&gt;pic_order_cnt_type == 0 */
  guint16 pic_order_cnt_lsb;
  /* if seq-&gt;pic_order_present_flag &amp;&amp; !field_pic_flag */
  gint32 delta_pic_order_cnt_bottom;

  gint32 delta_pic_order_cnt[2];
  guint8 redundant_pic_cnt;

  /* if slice_type == B_SLICE */
  guint8 direct_spatial_mv_pred_flag;

  guint8 num_ref_idx_l0_active_minus1;
  guint8 num_ref_idx_l1_active_minus1;

  guint8 ref_pic_list_modification_flag_l0;
  guint8 n_ref_pic_list_modification_l0;
  GstH264RefPicListModification ref_pic_list_modification_l0[32];
  guint8 ref_pic_list_modification_flag_l1;
  guint8 n_ref_pic_list_modification_l1;
  GstH264RefPicListModification ref_pic_list_modification_l1[32];

  GstH264PredWeightTable pred_weight_table;
  /* if nal_unit.ref_idc != 0 */
  GstH264DecRefPicMarking dec_ref_pic_marking;

  guint8 cabac_init_idc;
  gint8 slice_qp_delta;
  gint8 slice_qs_delta;

  guint8 disable_deblocking_filter_idc;
  gint8 slice_alpha_c0_offset_div2;
  gint8 slice_beta_offset_div2;

  guint16 slice_group_change_cycle;

  /* calculated values */
  guint32 max_pic_num;
  gboolean valid;

  /* Size of the slice_header() in bits */
  guint header_size;

  /* Number of emulation prevention bytes (EPB) in this slice_header() */
  guint n_emulation_prevention_bytes;
};
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GstH264ClockTimestamp"></a><h3>struct GstH264ClockTimestamp</h3>
<pre class="programlisting">struct GstH264ClockTimestamp {
  guint8 ct_type;
  guint8 nuit_field_based_flag;
  guint8 counting_type;
  guint8 discontinuity_flag;
  guint8 cnt_dropped_flag;
  guint8 n_frames;

  guint8 seconds_flag;
  guint8 seconds_value;

  guint8 minutes_flag;
  guint8 minutes_value;

  guint8 hours_flag;
  guint8 hours_value;

  guint32 time_offset;
};
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GstH264PicTiming"></a><h3>struct GstH264PicTiming</h3>
<pre class="programlisting">struct GstH264PicTiming {
  guint32 cpb_removal_delay;
  guint32 dpb_output_delay;

  guint8 pic_struct_present_flag;
  /* if pic_struct_present_flag */
  guint8 pic_struct;

  guint8 clock_timestamp_flag[3];
  GstH264ClockTimestamp clock_timestamp[3];
};
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GstH264BufferingPeriod"></a><h3>struct GstH264BufferingPeriod</h3>
<pre class="programlisting">struct GstH264BufferingPeriod {
  GstH264SPS *sps;

  /* seq-&gt;vui_parameters-&gt;nal_hrd_parameters_present_flag */
  guint32 nal_initial_cpb_removal_delay[32];
  guint32 nal_initial_cpb_removal_delay_offset[32];

  /* seq-&gt;vui_parameters-&gt;vcl_hrd_parameters_present_flag */
  guint32 vcl_initial_cpb_removal_delay[32];
  guint32 vcl_initial_cpb_removal_delay_offset[32];
};
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GstH264SEIMessage"></a><h3>struct GstH264SEIMessage</h3>
<pre class="programlisting">struct GstH264SEIMessage {
  GstH264SEIPayloadType payloadType;

  union {
    GstH264BufferingPeriod buffering_period;
    GstH264PicTiming pic_timing;
    GstH264RegisteredUserData registered_user_data;
    GstH264RecoveryPoint recovery_point;
    GstH264StereoVideoInfo stereo_video_info;
    GstH264FramePacking frame_packing;
    /* ... could implement more */
  } payload;
};
</pre>
</div>
</div>
</div>
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